大约有 40,000 项符合查询结果(耗时:0.1522秒) [XML]

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What does (angle brackets) mean in Java?

I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean? 6 Answers ...
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Global and local variables in R

I am a newbie for R, and I am quite confused with the usage of local and global variables in R. 3 Answers ...
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation

It is loosely related to this question: Are std::thread pooled in C++11? . Though the question differs, the intention is the same: ...
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Data structure for loaded dice?

Suppose that I have an n-sided loaded die where each side k has some probability p k of coming up when I roll it. I'm curious if there is good algorithm for storing this information statically (i.e. for a fixed set of probabilities) so that I can efficiently simulate a random roll of the die. ...
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What is a “symbol” in Julia?

Specifically: I am trying to use Julia's DataFrames package, specifically the readtable() function with the names option, but that requires a vector of symbols. ...
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Why does Sql Server keep executing after raiserror when xact_abort is on?

I just got surprised by something in TSQL. I thought that if xact_abort was on, calling something like 4 Answers ...
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How do I ignore the initial load when watching model changes in AngularJS?

...fieldcontainer property. After I get a response from my REST API (via $resource), I add a watch to 'fieldcontainer'. I am using this watch to detect if the page/entity is "dirty". Right now I'm making the save button bounce but really I want to make the save button invisible until the user dirties t...
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Finding Number of Cores in Java

How can I find the number of cores available to my application from within Java code? 4 Answers ...
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What is the right way to override a setter method in Ruby on Rails?

I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute. ...
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Wildcards in jQuery selectors

I'm trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work.. ...